Ncert Exercises & Solutions

In a meter bridge, point D is a neutral point as shown in the figure.

a.	The meter bridge can have no other neutral point for this set of resistances.
b.	When the jockey contacts a point on the meter wire left of D, current flows to B from the wire.
c.	When the jockey contacts a point on the meter wire to the right of D, current flows from B to the wire through the galvanometer.
d.	When R is increased, the neutral point shifts to left.

Which of the above statements is correct?

1. (a, c)

2. (a, d)

3. (b, c)

4. (c, d)